MaxxECU V1 Plugin ECU solution for Audi 5-cyl engineFast and easy installationAfter only a few hours of installation time, you can unleash the powerful Audi 5-cyl engine to its full potentialGet rid of the stock air flow meterRemove the stock air flow meter and replace it with the built-in MaxxECU MAP-sensorAudi 5-cyl engineAudi's most famous engine with big horsepower potential, unleash it!